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File:Cedar of Lebanon cone.JPG|thumb|right|150px|Cedar of Lebanon cone showing flecks of resin as used in the mummification of Pharaoh|Egyptian Pharaohs. File:Resin with insect (aka).jpg|thumb|200px|right|Insect trapped in resin In polymer chemistry and materials science, '''resin''' is a "solid or highly viscous substance," which are typically convertible into polymers. Such viscous substances can be plant-derived or synthetic in origin. They are often mixtures of organic compounds. Many plants, particularly woody plants produce resin in response to injury. The resin acts as a bandage protecting the plant from invading insects and pathogens.
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